The researchers used water and an ultrasonic extraction process, followed by gas chromatography-mass spectrometry to quantify the amount of cocaine in more than 230 bills collected in 17 cities.
研究人员从17个城市收集到230张纸币样本，并使用水和超声波提取方法，再加上气相色谱分析-质谱法对样本进行测试。
An alcohol extraction is called a tincture. It\'s made by steeping the herbs in alcohol instead of water.
用酒精代替水通过浸泡草药来提取其有效成分的方式叫做萃取。
However, rare earth is often radioactive. Moreover, in the smelting and extraction of rare earth, dangerous chemicals are frequently used, thus polluting local air, water and land.
但是，稀土生产往往带有放射性，加工企业在冶炼和分离稀土时，也经常使用危险的化学品，周围的空气、水和土地容易遭到污染。
The first is the Murray-Darling basin Authority, a new body with power to set limits on water extraction across the entire river system, in a bid to end the four basin states' bickering.
第一项措施是默里-达令流域管理局，一个有权在整个河流系统设置河水抽取量的机构，旨在终止该流域内四个州的争吵。
Although the extraction process in each location differs, they share a need for highly toxic chemicals. Horror stories abound about poisoned water supplies and miners.
尽管每一个地方的开采流程不同，但是对高毒性化学物质释放是相同，可怕的故事充斥在中毒的自来水系统和矿工周围。
Hot water is forced through the grounds under high pressure, resulting in extremely short extraction time (contact time between the water and the grounds).
热水在高压作用下通过咖啡粉；因此萃取时间非常短(水与咖啡粉的接触时间)。
Extraction of functional composition from orange peels and new investigation achievements in preparing adsorbent for water treatment by orange peels were emphatically reviewed.
综述了柑桔皮功能性成分的提取及在水处理吸附剂制备领域的研究新成果。
Optimization and modeling of boric acid extraction from colemanite in water saturated with carbon dioxide and sulphur dioxide gases.
在二氧化碳及二氧化硫饱和水溶液中从硬硼钙石提取硼酸最优化方案的研究。
Study about the craft on the extraction of the water-soluble polysaccharide in the dried orange peel.
对陈皮中水溶性多糖的提取工艺进行研究。
Objective: To optimize water extraction technology of manninotriose in Radix Rehmanniae Praeparata.
目的：筛选熟地黄中活性成分甘露三糖的最佳提取条件。
The method for the determination of trace mercury in water samples by hydride generation atomic absorption spectrophotometry after cloud point extraction was proposed.
提出了浊点萃取预富集氢化物发生-原子吸收光谱法测定痕量汞的新方法。
Anionic surfactant (as) in water sample was determined rapidly by flow injection analysis with an on-line extraction functional module.
采用在线萃取预处理功能模块，配合流动注射分析法对水体中阴离子表面活性剂进行了快速测定。
Tea polyphenol is the major physiological active component in tea, and it is generally manufactured by liquid-liquid extraction technology, using ethyl acetate as solvent from water extract of tea.
茶多酚是茶叶中主要生理活性物质，其制造方法一般采用液-液萃取工艺，以醋酸乙酯为溶剂，从茶汤中萃取出茶多酚。
Emulsification appeared in the process of water extraction.
在水萃过程中出现了乳化现象。
The membrane coated with enzyme of plant origin or other chemical compounds has been prepared for the extraction of trace organophosphorus pesticides and their intermediates in water.
制作了涂渍植物来源的酶和不同化合物的萃取膜，萃取富集了水样中的有机磷农药和农药中间体残留。
A method for analysis of tebuconazole in water using solid phase extraction and high performance liquid chromatography was developed.
首次建立了固相萃取-高效液相色谱法检测水中戊唑醇的方法并优化了固相萃取和高效液相色谱的条件。
Soxhlet extraction system and an-octanol-water extraction system were employed for speciation analysis and research of As and se in Chinese herbs.
并采用索氏提取技术和正辛醇-水萃取技术对砷、锑形态在中药中的分布特征进行了分析研究。
These include a dry tailings technology that could reduce the amount of water captured in tailings through the extraction process.
这些措施包括干尾矿技术，可以减少尾矿提取过程中的需水量。
Marine chemical industry refers to extraction of water projects are engaged in material production and business projects.
海洋化工项目是指提取海水物质从事生产、经营的项目。
Objective In this paper the best extraction method by water vapour from Curcuma wenyujin Y.
目的探讨并比较水蒸气蒸馏提取温莪术粗粉和微纳米粉体挥发油的最佳工艺。
A method for analysis of trace organophosphorus pesticides in water with plant enzyme membrane extraction-gas chromatography has been developed.
建立了植物酶膜萃取气相色谱分析水体中痕量有机磷农药的方法。
In the experiment, inulin was prepared from burdock root by microwave-assisted hot water extraction.
本实验采用微波辅助热水提取法以牛蒡根为原料制备具有良好生物活性的菊糖。
In the present study, the water-soluble and oil-soluble antioxidants of rosemary were separated with petroleum extraction, water-dissolving and concentration method.
研究了石油醚萃取法、水溶解法、浓缩法分离迷迭香水溶性和脂溶性抗氧化剂，对抗氧化剂的得率及总酚含量的影响。
The use of water-ethanol mixture as infusion, with parameters of which optimized, results in the extraction rate reaching over 12%.
对油茶籽饼粕中茶皂素的提取进行了系统的研究：用水- 乙醇混合物作浸提剂，优化浸提参数，使提取率达12％；
Presents the design of air conditioning cold and heat sources, smoke control and extraction system and water system in the project.
介绍了该工程的空调冷热源设计、防排烟系统设计和空调水系统设计，并结合大型商场设计的特点提出了应注意的问题。
The water level earthquake wave is rich in geophysical information and has practical significance for extraction of information regarding earthquake preparation and occurrence.
水震波蕴存着丰富的地球物理信息内涵，这对地震孕育、发生信息的提取有其意义。
The membrane extraction technique used to dispose TNT waste water was introduced in this paper.
该文介绍了膜萃取技术处理TNT废水的方法。
The membrane extraction technique used to dispose TNT waste water was introduced in this paper.
该文介绍了膜萃取技术处理TNT废水的方法。
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